Those look like core code ... the dates indicate a very old version of Moodle - a 3.0.
https://docs.moodle.org/dev/Releases#Moodle_3.0
What version do you think you have? See version.php file in code root.
https://docs.moodle.org/30/en/Upgrade_overview
and to what version of moodle are you trying?
'SoS', Ken
https://docs.moodle.org/dev/Releases#Moodle_3.0
What version do you think you have? See version.php file in code root.
https://docs.moodle.org/30/en/Upgrade_overview
and to what version of moodle are you trying?
'SoS', Ken